Tight coin

Tight coin
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
(unranked): clade Heterobranchia

clade Euthyneura
clade Panpulmonata
clade Eupulmonata
clade Stylommatophora
informal group Sigmurethra

Family: Megomphicidae
Genus: Ammonitella
Species: A. yatesii
Binomial name
Ammonitella yatesii
J.G. Cooper, 1869

The tight coin, scientific name Ammonitella yatesii, is a species of small, air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Megomphicidae. This species is endemic to the United States.

The shell in this species is very tightly coiled, hence the common name.

References

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